package com.heima.behavior.service.impl;


import com.alibaba.fastjson.JSON;
import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApLikesBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.LikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApLikesBehavior;
import com.heima.model.common.constants.HotArticleConstants;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.mess.app.NewBehaviorDTO;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import com.heima.model.user.pojos.ApUser;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.Date;


@Service
@Slf4j
public class ApLikesBehaviorServiceImpl implements ApLikesBehaviorService {
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;
    @Autowired
    MongoTemplate mongoTemplate;
    @Autowired
    RabbitTemplate rabbitTemplate;

    /**
     * 点赞行为
     * 当前登录的用户点击了”赞“,就要保存当前行为数据
     * @param dto
     * @return
     */

    @Override
    public ResponseResult like(LikesBehaviorDTO dto) {
        // 1. 校验参数
        ApUser user = AppThreadLocalUtils.getUser();
        if (user == null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
        // 2. 根据当前登录用户id查询行为实体对象
        ApBehaviorEntry apBehaviorEntry = apBehaviorEntryService.findByUserIdOrEquipmentId(user.getId(), dto.getEquipmentId());
        if (apBehaviorEntry == null) {
            CustException.cust(AppHttpCodeEnum.PARAM_REQUIRE,"行为实体不存在");
        }
        // 3. 如果是点赞操作  判断是否已经点过赞 0 点赞 1 取消
        // 根据行为id和文章id查询
        Query query = Query.query(Criteria.where("entryId").is(apBehaviorEntry.getId()).and("articleId").is(dto.getArticleId()));
        ApLikesBehavior apLikesBehavior = mongoTemplate.findOne(query, ApLikesBehavior.class);
        //不存在表示没有点过赞则 像mongo点赞集合中 添加点赞数据
        if (apLikesBehavior == null) {
            ApLikesBehavior likesBehavior = new ApLikesBehavior();
            likesBehavior.setCreatedTime(new Date());
            likesBehavior.setArticleId(dto.getArticleId());
            likesBehavior.setEntryId(apBehaviorEntry.getId());
            likesBehavior.setType(dto.getType());
            likesBehavior.setOperation(dto.getOperation());
            ApLikesBehavior save = mongoTemplate.save(likesBehavior);
            System.out.println("save = " + save);
        } else {
            //存在修改点赞数据
            //如果是取消点赞操作  在mongo点赞集合中 删除对应点赞数据
            Query query2= Query.query(Criteria.where("_id").is(apLikesBehavior.getId()));
            mongoTemplate.remove(query2,ApLikesBehavior.class);
            apLikesBehavior.setOperation(dto.getOperation());
            ApLikesBehavior save = mongoTemplate.save(apLikesBehavior);
            System.out.println("save = " + save);
        }
        //*****添加文章点赞-发送消息******
        NewBehaviorDTO mess = new NewBehaviorDTO();
        mess.setType(NewBehaviorDTO.BehaviorType.LIKES);
        mess.setArticleId(dto.getArticleId());
        mess.setAdd(dto.getOperation()==0?1:-1);
        rabbitTemplate.convertAndSend(HotArticleConstants.HOT_ARTICLE_SCORE_BEHAVIOR_QUEUE, JSON.toJSONString(mess));
        log.info("点赞行为 发送消息 ==>{}",JSON.toJSONString(mess));

        return ResponseResult.okResult();
    }
}

